Dag card, n
A kind of NIC, one of a series of hardware based digital communications network measurement devices developed by the WAND research group at University of Waikato's Computer Science Department in New Zealand.
Currently, the Dag series supports these media: Ethernet (UTP, 10/100 Mb/s), DS3/T3 (coax, 45 Mb/s), OC3, OC12, and OC48 (155, 622 and 2488 Mb/s respectively) carrying ATM or PoS.
The project pages can be found at http://dag.cs.waikato.ac.nz/